EntityQ2668301· pop 11· linked from 33 articlesmood ringSign in to savea ring that contains a thermochromic element,ConnectionsUnited StatesCountryInternational Standard Book NumberEntityringEntityjewelryEntityliquid crystalEntitybiorhythmEntitythermochromismEntityLiquid crystal thermometerEntityMethods of divinationEntityCategories1970s fads and trends1970s fashionNovelty itemsRings (jewellery)Thermochromism